Expert shooting Mode : the alarm stops with a 5 time hit in the bullseye in 3 minutes
if you fail to hit the center 5 times in 3 minutes, it stops, but will ring in every other 5 minutes
There is also a game mode to practice your shooting skills

Game-1 mode : the clock counts 3, 2, 1, then you shoot when the center glows

Game-2 mode : the clock says "Ready?", then you shoot when the center glows. the game ends after 5 hits in the center.

Expert shooting Mode : the alarm stops with a 5 time hit in the bullseye in 3 minutes
if you fail to hit the center 5 times in 3 minutes, it stops, but will ring in every other 5 minutes
There is also a game mode to practice your shooting skills

Game-1 mode : the clock counts 3, 2, 1, then you shoot when the center glows

Game-2 mode : the clock says "Ready?", then you shoot when the center glows. the game ends after 5 hits in the center.

M7A1 Sling Mount. Sling swivel included which can be attached on 2 sides.
Build Material: Aluminum
Suitable for M16 Series with Collapsible Stock Tube
(Some receiver may need modifications for installation)

The product is used on the ground, quite a small-sized. That is for informing the team that the enemies are coming. How to use is putting on the ground, pulling the string out of it, and there is a line above the ground, So anyone passes though, they will make an alert sound, and we know someone has passed by.